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Glueball Regge trajectories in (2+1)-dimensional gauge theories
2003
Nuclear Physics B
We compute glueball masses for even spins ranging from 0 to 6, in the D=2+1 SU(2) lattice gauge theory. We do so over a wide range of lattice spacings, and this allows a well-controlled extrapolation to the continuum limit. When the resulting spectrum is presented in the form of a Chew-Frautschi plot we find that we can draw a straight Regge trajectory going through the lightest glueballs of spin 0, 2, 4 and 6. The slope of this trajectory is small and turns out to lie between the predictions
doi:10.1016/j.nuclphysb.2003.07.003
fatcat:fstnomlrf5arvlaw2vhj6mlovm